Ampulla



0. FJORD May 1, 1934.

AMPULLA Filed May 20. 1932 Patented May 1, 1934 PATENT OFFICE.

AMPULLA Ola! Fjord, Berlin, Germany Application May 20, 1932. Serial No. 612,618 In Germany June 16, 1931 13 Claims.

The present invention relates to an ampulla having a breaking place prepared for opening it. It is known to open ampulla: by means of tubes of rigid material which are placed over the neck or the ampulla which is to be broken oif. It is also known to make the breakage place the point of least resistance by scratching the wall of the ampulla or making it thinner in order to facilitate opening of the ampulla. In spite of this the opening of ampulla: is still diflicult and inconvenient, espeeiallyon account of the splintering of the parts to be broken ofi.

The main object of the present invention is of avoiding these disadvantages and consists in that a covering or sleeve closely surrounds the ampulla at the part which is to be broken off and the desired point of breakage of the ampulla which, if necessary, is scratched is made the point of least resistance by means of a recess or the like in the covering or sleeve so as to ensure breakage of the ampulla.

Breaking oii is then efiected by hand or an auxiliary device. The cover or sleeve itself may closely surround the breaking point of the ampulla in such a manner that the cover or sleeve and the ampulla act as a compound body. In special cases the cover or sleeve of the ampulla can be constructed as a cap and made of a rigid material. This cap may also be partly slit at its lower edge in order to facilitate placing it on the ampulla. It may also have extensions which embrace the foot of the ampulla. It is also possible to form the covering from one or more layers of suitable liquids which adhere firmly after setting, for example cellulose or cellulose derivatives. The invention relates more particularly to ampulla: with very long and narrow necks which, when broken, must still have along neck for certain purposes. The recess referred to is therefore placed as far as possible from the shoulder part of the ampulla.

The accompanying drawing illustrates by way of example some constructional examples of the new ampulla with the breaking point prepared for opening.

Figure 1 shows an ampulla having a covering with wedge shaped recess on its neck.

Figure 2 shows an ampulla, the sleeve of which has notches running upwards.

Figure 3 shows an ampulla with cap which like the form shown in Figure 1 has a recess running transversely andalso has a longitudinal out.

Figure 4 shows an ampulla with a sleeve em- 55 bracing the foot of the ampulla.

Figure 5 shows a cover obtained by dipping, this is illustrated by way of example in two layers.

Only ampulla: provided with scratches are shown. All the ampulla have long necks and the scratches at a distance from the shoulder.

In Figure 1, 1 is the ampulla, 2 the scratch, 3 the covering or sleeve, 4 the notch in the covering or sleeve 3 which forms the point of least resistance. In the construction shown in Figure 2 the upwardly directed extensions 5 of the notches 4 form a finger indication, preferably for the direction of breaking. The sleeve 3 may in all the constructional examples be. secured to the ampulla by clamping by an adhesive by burning or in any other suitable manner. In particular 7 the covering or sleeve and the ampulla may be constructed as a compound body. To simplify clamping the covering or sleeve to the ampulla, a longitudinal out is provided as shown in Figure 3.

According to Figure 4 both the neck and the lower part of the ampulla 1 are embraced by the covering or sleeve 3; if necessary a holding ring and a bottom cap 7 are secured to the side parts 5. The ampulla according to Figure 5 is covered only with the coating formed by dipping the ampulla in liquids such as lacquer which, dry, and after drying form a rigid coating. The coating shown by way of example consists in two layers 8 and 9, of which one, 8, reaches only to the scratch 2 and the other, 9, reaches down to the wider part of the ampulla.

The mode of operation of the device for opening the ampulla is as follows:

The ampulla 1 is held with one hand and with the other hand the covering or sleeve 3 is snapped off. This sleeve is gripped at the uppermost part either with the hand directly or with an auxiliary device. It breaks ofi easily and without splintering.

Figure 4 shows a flint 12 of ferro-cerium so that as the connecting strip between the head and the foot of the ampulla also serves other purposes, which is particularly advantageous in case such ampulla: are used for filling lighters with petrol.

From the above it will be apparent that the invention provides a container adapted to be broken to provide access to the interior thereof together with means so associated with the container that the fragments of the container will adhere to the said means upon breaking of the container. In other words, it will be noted that the invention provides a covering which adheres to the portion of the container adapted to be broken so that when the container is broken the fragments thereof will adhere to this covering. Still further the invention provides a container having a covering provided with a weakened portion for 10- eating the point of breaking of the container.

While in the embodiment disclosed both the container and the covering have weakened portions, it will be apparent that, if desired, the weakened portion of the container itself may be eliminated and the weakened portion of the covering may be depended upon to locate the breaking point.

Having now particularly described and ascertained the nature of my said invention and in what a manner the same is to be performed, I declare that what I claim and desire to protect by U. 8. Letters Patent is:

1. In combination, a container formed of a shatterable material, said container being adapted to be broken to provide access to the interior thereof, and means associated with the container to which the fragments of the container will adhere upon breaking of the container.

2. In combination, a container formed of a shatterable material, said container being adapted to be broken toprovide access to the interior thereof, and means adhesively associated with said container for preventing scattering of the fragments of the container when the latter is broken. 3. In combination, a container formed of a shatterable material, said container being adapted to be broken to provide access to the interior thereof, and a covering for said container adhesively secured to the same in such a manner that the fragments of the container will adhere to the covering upon breaking of the container.

4. In combination, a container formed of a shatterable material, and a covering for said container adhesively secured to the surface thereof, said container and covering having registering weakened portions at which the container and covering may be divided to provide access to the interior of the container.

5. In combination, a glass container adapted to be broken to provide access tothe interior thereof, and a covering for said container adhesively secured to the same, said covering having a weakened portion adjacent the point at which said container is to be broken.

6. In combination, a glass container having a portion adapted to be broken to provide access to the interior of the container, and a covering for the portion of said container adapted to be broken, said covering adhering to the surface of the container to prevent scattering of the fragments thereof when the container is broken.

'1. In combination, a glass container having a line of strain along which the container may be divided to provide access to the interior of the container, and a covering for said container adhesively secured to the same, said covering having a weakened portion registering with the line of strain of the container.

8. In combination, a glass ampulla scratched to provide a weakened portion at which the ampulla may be broken to provide access to the interior thereof, and a covering for said ampulla adhesively secured to the same, said covering having a cut-away portion registering with the scratched portion of the ampulla.

9. A container including a frangible body provided with means to facilitate breaking at a desired point, and a protective covering adhesively applied about the breaking point of the body.

10. A container including a frangible body provided with means to facilitate breaking at a desired point, and a protective covering for the body in the form of at least one coating of lacquer-like material which firmly adheres to the body during application and presents a dry and hard outer surface.

11. In combination, a container of the type which in use is broken to provide access to the interior thereof, and a covering adhesively applied to said container having a weakened portion to facilitate breaking of the container at a deflnite point.

12. In combination, a container having a weakened portion at which point the container is adapted to be broken to provide access to the interior thereof, and a covering for said container having a weakened portion registering with the 115 weakened portion of the container.

13. In combination, a container of the type which in use is broken to provide access to the interior thereof, and a reenforcing means having a definitely located weakened portion secured 129 to said container on opposite sides of the weakened portion, said reenforeing means tending to prevent breaking of said container except at the point located by said weakened portion.

OLAF FJORD. 

